Specification Brand : Meccion BulletPoint1 : M42 Bi-Metal Hole Saws - The hole saws is made of high quality M42 Bi-metal with increased wall thickness for longer sevice life. BulletPoint2 : Cut a Perfect Circles - The sharper tooth combines optimized design providing a smoother, faster cut without vibration for operation more stable.Max depth: 30mm BulletPoint3 : Excellent Design - The spring on the center twist drill bit would automatically pushes the disc out of immediately after completing the hole. BulletPoint4 : Wide Application - The hole cutter adapted to electric drills and bench drills, suitable for mild steel, sheet metal, iron, wood, plywood, plasterboard, plastic, MDF, aluminium, tube, Etc. BulletPoint5 : Operation Caution - Start drilling at a slow speed. Use cutting fluid to keep the hole saw cold. Hold the drill steady while drilling to avoid breaking the center chisel. Color : Orange CompatibleMaterial : Hard Plastic, Wood, Iron, Mild Metal, Acrylic, Mdf, Aluminum, Etc. CompatibleMaterial1 : Glass CompatibleMaterial2 : Stone CompatibleMaterial3 : Marble CompatibleMaterial4 : Wood CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 708747499360 ExternallyAssignedProductIdentifier2 : 0708747499360 ExternallyAssignedProductIdentifier3 : 00885363002645 ExternallyAssignedProductIdentifier4 : 3003812077885 ExternallyAssignedProductIdentifier5 : 0888309670038 ExternallyAssignedProductIdentifier6 : 00700724574244 ExternallyAssignedProductIdentifier7 : 00888309670038 FinishType : Diamond GpsrSafetyAttestation : 1 IncludedComponents1 : HOLESAW T3 ARBORED 24A 1 1/2 38MM 1/PK IncludedComponents2 : HOLESAW T3 ARBORED 24A 1 1/2 38MM 1/PK IncludedComponents3 : HOLESAW T3 ARBORED 24A 1 1/2 38MM 1/PK IncludedComponents4 : HOLESAW T3 ARBORED 24A 1 1/2 38MM 1/PK IncludedComponents5 : HOLESAW T3 ARBORED 24A 1 1/2 38MM 1/PK ItemDisplayWeight : 0.28 pounds ItemName : Meccion Bi-Metal Hole Saw Drill Bit HSS Fast Hole Cutter with Arbor and Centring Drill for Wood, Sheet Metal, Plasterboard, Iron, Plastic (3-9/16"(90mm)) ItemPackageDimensions_Height : 10.6 centimeters ItemPackageDimensions_Length : 4.2 centimeters ItemPackageDimensions_Width : 10.5 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : hole-saws Manufacturer : MECCION Material : High Speed Steel Material1 : Blend Material2 : Blend Material3 : Blend Material4 : Blend Material5 : Blend ModelName : 1772729 ModelNumber : MSHS NumberOfFlutes : 3 NumberOfItems : 1 NumberOfPieces : 10 NumberOfTeeth : 2 PackageLevel : unit PartNumber : MSHS05 Pattern : Solid ProductDescription : JINGLING 2Pcs 25mm 1 inch Diamond Coated Hole Saw Drill Bits for Stone Granite Marble Ceramic Product Specification Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit Outer Diameter : 25mm(close to 1 inch) Inner Diameter: 22mm Hex Shank Diameter: 8mm (5/16 inch) Total Lenght: 65mm (2.55 inch) Drill Depth: 29mm Recommend Speed: 2800-3600RPM Quantity: Total 2 Pcs Use: Masonry Drilling Material: Diamond, steel Features Brand new & High quality Easy to use, good performance and long life Excellent for making clean and accurate hole on stone, granite, marble, tile Works better with a electric drill (Excluding in this item ) Diamond drill set with standard 8 mm shank that will fit cordless screwdrivers, drills etc or use in standard drill chuck Drilling speed: Drill a hole in seconds Use with water as a lubricant The diamond hole saw does NOT have center Pilot Drill There is no need for a Pilot Drill Bit, because pilots are not safe for glass Quick Tips 1. Please add water for coolant and drill slowly 2. Start drill at 45 degree to surface and align to 90 degree as hole forms 3. Never use drills while machine is in hammer action 4. Holes require no futher work as cutting is clean We can list any size( hole diameter from 6mm - 160mm) & amount of this product How to use a hand drill to drill holes in the stone/tile/glass? Step 1. The bit on the stone/tile/glass 45 degree, open a half-moon notch on it Step 2. Slowly up the bit to 60 degrees, and then gently drill Step 3. Reached 90 degrees, continue to drill Step 4. Drill through the stone/tile/glass finally, the technique requires a "wobble" of the drill rather that steady pressure straight on ProductSiteLaunchDate : 2021-05-27T19:59:42.373Z Size : 90mm StreetDate : 2017-03-12T00:00:01Z Style : Durable SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SurfaceRecommendation : Ceramic,Glass,Plastic UnitCount : 2 UnspscCode : 27112700